<?php
namespace app\home\model;
use think\Model;
use think\Db;
class OperationModel extends Model
{
    public function __construct()
    {
        parent::__construct();
    }

    public function getMsg(){
        $rows = Db::table('operation')->where('is_del=0')->order('create_time desc')->select();
        return $rows;
    }
}